Direct central forced air and save money on heating and cooling costs with Deflecto's Premium Unbreakable Air Deflector. The air deflector attaches to metal floor registers between 10 to 14 inches long. Suitable for both central air heating and cooling applications, the Premium Unbreakable Air Deflector helps direct forced air in the direction you want for added comfort around the home or office. Use to direct air around or under furniture, fixtures or household appliances. Clear, unbreakable plastic design features built-in magnets to help secure the air deflector to the metal register.